package com.sakana.regex;

public class demo1 {
    public static void main(String[] args) {
        //13112345678
        String regex1="1[1-9]\\d{9}";
        System.out.println("13112345678".matches(regex1));
        System.out.println("131123456785".matches(regex1));
        System.out.println("13112345678".matches(regex1));
        System.out.println("13114345678".matches(regex1));
        String regex2="";

    }
}
